【化学】烯丙树脂

Recycling Plastics When plastic containers are recycled, they are first cleaned, then ground into tiny pellets and put into a flotation tank. This separates out the various plastic resins from other waste material. Once they are separated out, the pl

发表于:2018-12-27 / 阅读(51) / 评论(0) 分类 英语时差8,16

StudyFindsHighLevelsofBPAinCannedFoodforKids The industrial chemical BPA has been used to make hard plastic bottles and the lining of food cans for decades. After studies indicated that the chemical could play a role in cancers, heart disease and abn

发表于:2019-01-13 / 阅读(32) / 评论(0) 分类 VOA标准英语2011年(九月)

There is a curse that has plagued humanity since ancient times. 从古代起就有一种诅咒一直让人类饱受折磨。 The Greeks fought it by chewing aromatic resins, while the Chinese resorted to egg shells. 古希腊人通过咀嚼芳香树脂

发表于:2019-01-17 / 阅读(46) / 评论(0) 分类 TED演讲教育篇

That dress looks perfect right off the rack, and that crisp button-down shirt is never going to be any brighter or whiter than the moment you buy it. So is it really necessary to go to all of the trouble of washing those brand-new garments before you

发表于:2019-01-20 / 阅读(68) / 评论(0) 分类 阅读空间

Preserved bodies help doctors understand diseases that have plagued humans for thousands of years Naomi Seck | Washington, DC 05 May 2010 Scientists say looking back can help them look forward, by revealing how the disease evolved over time. Related

发表于:2019-02-05 / 阅读(48) / 评论(0) 分类 VOA标准英语2010年(五)月
学英语单词
additional percentage tax
anion-cation balance
apostolic visitors
approved society
armor-piercing incendiary
backpiece
barometric distribution
barrackslike
beg no odds of
bismutites
bituminous concrete road
bore diameter of flange
Bourg-de-Peage
Catchment board
cevadilla
change the line of production
circle of equal altitude
co-registering
counterflow engine
current effective interest rate
dew detection lamp
Diem Giang
dillhole
direct-current system
dog-bee
double projection instrument
dual duct
dustoff
duvet days
earth connection measurement plant
echo signal
erteroceptive conditioned reflex
file receiving facility
finger alphabet
First Amendment Absolutism
fishing vessel clauses
flag post
fldc
Fructus Citri Reticulatae
GenBankNo
genophore (ris 1961)
group of locks
guacamoled
Guengant
hemignathia
high temperature material
high-speed disconnecting switch
home depot
intercampus
Internet stick
interruptible feedback line
jocoserious
keevan
lay intermediary
Le Tuzan
liparis krameri sasakii
local government debt
local stress relieving
lock-in stabilized external cavity
machine reamer
Maikop(Maykop)
mass x-ray survey car
morote-gari
neighborhood relationship
neolalism
Nuculites
nylon plastic
Ogoja
Opava
order continuous
palaeo-encephalon
peeling and corning of fruits
pentabromobenzene
pil shale
pineapple weed
possingham
potential field
prestressing tendon
psychological ecology
quadrumans
reciduity
remote pick-up equipment
rice papers
rinsing saw
Rājauli
SBE effect
several dozen
Simuk, Pulau
slatelike
soft center steel
st. peter the apostles
swanly
systematic production of substitution lines
take-two
the same place
throppling
time-rock unit
unchipper
Uttaradit
vesico-abdominal
weak-field dynamo mode
worm gear milling mechine